CDP1877C datasheet(3/10 Pages) INTERSIL

tên linh kiện	CDP1877C

Giải thích chi tiết về linh kiện	Programmable Interrupt Controller (PIC)

PDF	10 Pages

Scroll/Zoom	100%

nhà sản xuất	INTERSIL [Intersil Corporation]

Trang chủ	http://www.intersil.com/cda/home

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3 / 10 page

4-84

Operating Conditions At TA = Full package temperature range. For maximum reliability, operating conditions should be selected so

that operation is always within the following ranges:

PARAMETER

LIMITS

UNITS

CDP1877

CDP1877C

MIN

MAX

MIN

MAX

DC Operating Voltage Range

10.5

6.5

Input Voltage Range

VSS

VDD

VSS

VDD

TPA

CA/AX

CA/AY

4-BIT

LATCH

TPB

MWR

MRD

DECODER

CASC

WRITE PAGE REGISTER

WRITE CONTROL REGISTER

WRITE MASK REGISTER

READ STATUS REGISTER

READ POLLING REGISTER

READ LONG BRANCH

INT

BUS 0

BUS 1

BUS 2

BUS 3

BUS 4

BUS 5

BUS 6

BUS 7

DATA

BUS

BUFFERS

IR7

IR6

IR5

IR4

IR3

IR2

IR1

IR0

INTERRUPT

LATCH/

STATUS

CONTROL REGISTER

WRITE

CONTROL

MWR

MRD

READ

STATUS

WRITE

MASK

CLEAR

MASK

CLEAR

PRIORITY

INTERVAL

READ POLLING

LOW

VECTOR

UPPER BITS

ADDRESS

HIGH

VECTOR

ADDRESS

WRITE

PAGE

READ

LONG

BRANCH

ENCODER/

VECTOR

ADDRESS

GENERATION

LONG

BRANCH

INSTRUCTION

GENERATE

LOGIC

FIGURE 1. FUNCTIONAL DIAGRAM FOR CDP1877

CDP1877, CDP1877C

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